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Finding the Fourth Proportional to 200,258.37, 276,354.21 and 108,375.51

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Solution

The fourth proportional to 200,258.37, 276,354.21 and 108,375.51 is: 149,556.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,258.37 : 276,354.21 = 108,375.51 : x
  2. Step 2: Convert to fraction form
    200,258.37/276,354.21 = 108,375.51/x
  3. Step 3: Cross multiply
    200,258.37x = 276,354.21 × 108,375.51
  4. Step 4: Simplify right side
    200,258.37x = 29,950,028,449.40
  5. Step 5: Solve for x
    x = 29,950,028,449.40/200,258.37
  6. Step 6: Final answer
    x = 149,556.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.